It is mostly investors in and around the atlanta metro doing everything from Short TErm Rentals to househacks to longterm rentals to fix and flip. 

I think I'm in a pretty unique situation and am trying to figure out the right hoops to jump through to move forward.Long story short, I'm trying to tap into the equity of the rental property passed down from my grandparents that is held in an S-corp which is co-owned by myself, my siblings, our cousins, and an idiot uncle.

Will you use the HELOC as a short-term bridge, or plan to hold it longer?

A short-term rental with a stay of 7 days or less + Material participation =also non passive.

The Norris Group has a hard money ADU loan, but it's short term (3 years). 

Shortly thereafter, I got an email from the title company that was handling the closing of my second wholesale deal.

https://www.biggerpockets.com/blog/brrrr-loans-what-are-the-...Short-Term Rental Loans: What Are the Options and How Do DSCR Loans Stack Up?

Short of that, it'll more than likely it'll be closer to 20%.

Short term leverage inherently increases our risk. 

For 2023, since your property was rented out with an average stay of under 7 days, it should be classified as a Short-Term Rental (STR).